ousers are dirty and wet,I’ll change into my .

Mr Li, together with his children, the museum. They will be back this afternoon.

Excuse me，can you spare me a few minutes—________

Do you know themission of the volunteers—No. But I think _____they will end up doing there will promote public awareness of environmentalprotection.

That was really a splendid eveningIt’s years _____ I enjoyed myself so much[ ]